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Possible replacements for the
Dura-Ace 7950 34t 110mm 10-Speed Chainring
Dura-Ace 7950 34t 110mm 10-Speed Chainring
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---- Archived Product Data ----
ShimanoDura-Ace 7950 34t 110mm 10-Speed Chainring
We're sorry, this product has been discontinued.
Show Products From Shimano
Dura-Ace 10-Speed FC-7900 Chainrings
- Compact, for use with 50 tooth outer chainring
- Designed for use with 10-Speed asymmetrical Shimano road chains: CN-7901, CN-6711 & CN-5701
Specifications
Chain Compatibility
Shimano/SRAM 10
Chainring BCD
110mm
Chainring Position
Inner
Intended Use
Road
Material
Aluminum
Tooth Count
34t
UPC
689228287891
Tree Fort ID:
333222395813
Customer Questions
Q.
asked by: HUlloa
Are the 34/50T chainrings compatible with the FC-7900 spider that came with 39/53T rings?
Are the 34/50T chainrings compatible with the FC-7900 spider that came with 39/53T rings?
A.
anwered by: canteau
They are not, Dura Ace 7900 cranks that shipped with 53/39t chainrings use a 130mm BCD chainring. Compact geared (50/34t or 52/38t) Dura Ace 7950 cranks use a 110mm BCD chainring.
When Shimano redesigned the Dura Ace group for the 9000 series they moved to unified bolt pattern so that you can use both compact and full sized gearing on the same crank arms.
They are not, Dura Ace 7900 cranks that shipped with 53/39t chainrings use a 130mm BCD chainring. Compact geared (50/34t or 52/38t) Dura Ace 7950 cranks use a 110mm BCD chainring.
When Shimano redesigned the Dura Ace group for the 9000 series they moved to unified bolt pattern so that you can use both compact and full sized gearing on the same crank arms.
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